Knife



FIG. 1 is a right side view of a knife according to my new design;

FIG. 2 is a left side view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is an enlarged back view thereof;

FIG. 6 is an enlarged front view thereof;

FIG. 7 is a perspective right side view thereof; and,

FIG. 8 is a perspective left side view thereof.

The ornamental design for a knife, as shown and described. 